Yokoyama Akihiko

ヨコヤマアキヒコ | Yokoyama Akihiko

Affiliation and department：

Research field (3)： Nuclear engineering , Biochemistry , Inorganic and coordination chemistry

Research keywords (6)： Generator for nuclear medicine , Nuclear reaction with heavy elements , 重イオン核反応 , 超アクチニド元素 , ガンマ線摂動角相関 , nuclear chemistry

Research theme for competitive and other funds (25)：

2021 - 2025 環境中エキゾチックアクチノイドにもたらす新展開-人工放射性核種ネプツニウム
2020 - 2023 Optimization of pretargeted alpha therapy for multiple types of cancer
2017 - 2020 Chemistry of radioactive radon for developing an astatine -211 generator system
2017 - 2020 Development of a mass spectrometric analysis for the environmental neptunium and its application
2015 - 2019 Sophistication of a Rn-211/At-211 generator system for medical use

2014 - 2018 Development of a matter phase controlled Rn/At generator for targeted alpha therapy

2012 - 2017 Development of technology and radiation measurement in various chemical forms

2012 - 2015 Rapid determination methode of radioactive strontium for radiological emergency

2011 - 2013 Development of 211Rn/211At generator for medical use of alpha radioactive isotopes

2011 - 2013 Speciation and chemical behaviors of a superheavy elemnt, Rf in aqueous solution

2008 - 2010 Bioinorganic study of transition metal localization in brain by the use of nuclear probe detection method

2003 - 2006 Reevaluation of atomic-bomb neutron fluence through purification of europium separated from samples exposed to atom-bombing

2004 - 2005 Measurement of hyperfine field in active sites of biological molecule by PAC

2002 - 2003 Single Atom Chemistry for Heavy Elements (Redox Reaction of Nobelium)

2001 - 2001 化学状態支配の核遷移(可視・紫外光放出原子核Th-229mの測定)

1999 - 2000 Nuclear Disintegration and Inner-Shell Atomic Processes in Heavy Elements

1999 - 1999 エキゾチックアトムによる文化財試料の非破壊元素分析法の開発

1993 - 1994 MULTI-MODE FISSION OF ACTINIDES INDUCED BY THERMAL NEUTRON

1993 - 1993 重イオン核融合反応における角運動量効果の研究

1982 - 重イオン核反応機構の研究

1982 - Study on the mechanims of heavy-ion nuclear reactions

重イオン融合反応における入口チャネル依存性の研究

重元素の化学的性質

Angular momentum dependence of heavy-ion induced reaction

Chemical properties of heavy elements

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Papers (29)：

Yuki Shin, Shunpei Maruyama, Kohei Kawasaki, Keito Aoi, Kohshin Washiyama, Ichiro Nishinaka, Shinya Yano, Hiromitsu Haba, Akihiko Yokoyama. Solvent extraction following oxidation of astatine for the use of a 211Rn-211At generator. Journal of Radioanalytical and Nuclear Chemistry. 2023
Eita Maeda, Akihiko Yokoyama, Takumi Taniguch, Kohshin Washiyama, Ichiro Nishinaka. Measurements of excitation functions of radon and astatine isotopes from 7Li-induced reactions with 209Bi for development of a 211Rn-211At generator. J. Radioanal. Nucl. Chem. 2019. 323. 2. 921-926
YOKOYAMA Akihiko. Current and Future HVDC Transmission Technologies. The Journal of the Institute of Electrical Engineers of Japan. 2017. 137. 11. 745-746
I. Nishinaka, A. Yokoyama, K. Washiyama, H. Makii, K. Hashimoto. Production of iodine radionuclides using 7Li ion beams. J. Radioanal. Nucl. Chem. 2017. 314. 3. 1947-1965
N. Kinoshita, K. Hayashi, S. Ueno, Y. Yatsu, A. Yokoyama, N. Takahashi. Proton capture cross sections on neutron-magic Sm-144 at astrophysically relevant energies. PHYSICAL REVIEW C. 2016. 93. 2. 025801

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MISC (116)：

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Education (4)：

Work history (6)：

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Association Membership(s) (3)：

日本物理学会 , 日本化学会 , 日本放射化学会

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